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Welcome to San Marcos ...

The city of San Marcos is located in San Diego County<1>.



While we don't have a date for the founding of San Marcos, you might consider that their post office opened  in 1888.

The city was incorporated January 28, 1963.

From the  Census Estimates for 2019, San Marcos has a population of 97,390 people<2> (see below for details).

San Marcos is 550 feet [168 m] above sea level.<3>.

Time Zone: San Marcos lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time

Area codes for San Marcos: (760) and (442)<4>

The ZIP codes for San Marcos: 92069, 92078-92079, 92096<5>

Websites for San Marcos ...

Official Website: www.ci.san-marcos.ca.us/

Population Details ...

Taken from the 2019 Census Estimates, San Marcos had an population of 97,390 people. This is an increase of 16.24% since the 2010 Census (or an increase of 77.15% since the 2000 Census).

At the time of the 2010 Census, San Marcos had a population of 83,781 people. This makes San Marcos the county's 8th most populous community.

The population of San Marcos represents 0.22% of the total population of California (which has 37,253,956 people), making it the state's 88th most populous community.

With a 2010 count of 83,781 people, the population of San Marcos increased 52.39% from the 2000 Census (with a count of 54,977 people).

More information can be found on the Census Page for San Marcos.

Communities Also Named San Marcos ...

Using our Gazetteer, we found that there are two California communities named San Marcos: This one is located in San Diego County and the other is located in Santa Barbara County.

Beyond California, there are 3 communities that are also named San Marcos - they are located in Florida and Texas.

For more information, see our Tidbits & Trivia Page for San Marcos.

Communities near San Marcos ...

We have created a list of 10 communities that are near San Marcos.

  • Oceanside
    (12 miles [19.3 km] to the west)
  • Carlsbad
    (10 miles [16.1 km] to the west)
  • Vista
    (6 miles [9.7 km] to the northwest)
    • Jump to our Gazetteer entry for Vista
    • Vista is located in San Diego County
    • Population from the 2020 Census: 100,636 people
    • Jump to TripAdvisor's Tourism page for Vista <6>
  • Encinitas
    (10 miles [16.1 km] to the southwest)
  • Poway
    (14 miles [22.5 km] to the southeast)
    • Jump to our Gazetteer entry for Poway
    • Poway is located in San Diego County
    • Population from the 2020 Census: 49,246 people
    • Jump to TripAdvisor's Tourism page for Poway <6>
  • Solana Beach
    (12 miles [19.3 km] to the southwest)
  • Del Mar
    (13 miles [20.9 km] to the southwest)
  • Escondido
    (4 miles [6.4 km] to the east)
  • Hidden Meadows
    (6 miles [9.7 km] to the northeast)
    • Note: The GPS coordinates that we are using for Hidden Meadows have been provided by the GNIS.<7> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Hidden Meadows
    • Hidden Meadows is located in San Diego County
  • Lawrence Welk Resort Village
    (6 miles [9.7 km] to the north)
    • Note: The GPS coordinates that we are using for Lawrence Welk Resort Village have been provided by the GNIS.<7> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Lawrence Welk Resort Village
    • Lawrence Welk Resort Village is located in San Diego County

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around San Marcos. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for San Marcos.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of San Marcos. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around San Marcos.

We also have a detailed list of newspapers that have been published in the area around San Marcos. Our list includes 9 papers. See our Newspapers Page for San Marcos.

TripAdvisor Tourism Pages for San Marcos ...

Looking for more information about San Marcos? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for San Marcos, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for San Marcos.

Adding San Marcos to Our Gazetteer ...

We originally found mention of San Marcos in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for San Marcos was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<8>

From that list, the San Marcos post office opened in 1888.

We also found San Marcos in the book titled Business Atlas and Shippers' Guide (1895).

For more details, see References and Mentions for San Marcos.

The official website for San Marcos: www.ci.san-marcos.ca.us/

The official website for San Diego County: www.sdcounty.ca.gov/

The official website for State of California: https://www.ca.gov/

Footnotes ...

<1>If you're interested in how the shape of California's counties, including San Diego, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for San Marcos.
<3>The elevation is an estimate for the area around San Marcos - it will be higher in some places and lower in others.
<4>Area code (442) is an overlay for area code (760).
<5>ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a city (such as San Marcos). When looking for a ZIP Code, whether San Marcos or elsewhere, it's always best to check the website of the United States Postal Service (USPS).

Our list of ZIP Codes for San Marcos includes: 92069, 92078 & 92079.
<6>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<7>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<8>A copy of their list with background information can be found at:

      https://cblevins.github.io/us-post-offices/data-biography/




 

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This page was last modified/updated: 07 Apr 2024